Mario Leissner
About Mario Leissner
Mario Leissner is a lawyer based in Frankfurt/Main, DE and has been recognized in The Best Lawyers in Germany™ since 2017. Mario Leissner is recognized in the following practice areas:
- Frankfurt/Main, Germany
- Investment Funds
- Private Funds
- Real Estate Law
Current Firm: Leissner Law
Location: Frankfurt/Main, DE
Nearby Lawyers
Michael Neises is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Corporate Law and Mergers and Acquisitions Law. Michael, who practices law in Frankfurt/Main, Germany, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael is held by other top lawyers in the same geographic and legal practice area.
Georg Weidenbach is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law and Litigation. Georg, who practices law in Frankfurt/Main, Germany, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Georg is held by other top lawyers in the same geographic and legal practice area.
Dr. Marc Hauser advises family businesses and owner-managed companies on legal and tax optimisation. Here he also develops tailor-made solutions for complex company structures. In addition, he has extensive expertise in the conception, establishment and ongoing advice of family trusts in Germany and abroad. Marc Hauser also focuses on mergers & acquisitions and private equity financing. He can rely on the professional support of the firm's own tax advisors for all his tasks. The uncomplic...
Felix Prozorov-Bastians is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation and International Arbitration. Felix, who practices law in Frankfurt/Main, Germany, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Felix is held by other top lawyers in the same geographic and legal practice area.
Dr Jens Linde is an associated partner at POELLATH in Frankfurt. He specializes on M&A, private equity, real estate advice, in particular on the financing in all above mentioned areas. He is a proven expert in his areas of expertise, such as syndicated loans, unitranches or Schuldscheine (promissory note loans), especially for acquisition, corporate and real estate financing. He primarily acts for sponsors and borrowers. However, he is also familiar with the lenders’ perspective. He...
Rupert Bellinghausen is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation, Bet-the-Company Litigation, International Arbitration, Litigation and Product Liability Litigation. Rupert, who practices law in Frankfurt/Main, Germany, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rupert is held by other top lawyers in the same geographic and legal practice area.
Heiko Hofmann is a top attorney recognized by Best Lawyers in the practice area(s) of Public Law. Heiko, who practices law in Frankfurt/Main, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Heiko is held by other top lawyers in the same geographic and legal practice area.
Christoph Gringel is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Insurance Law. Christoph, who practices law in Frankfurt/Main, Germany, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christoph is held by other top lawyers in the same geographic and legal practice area.
Dr Martin Liebernickel is a partner at POELLATH. He heads the department of succession and wealth planning at the Frankfurt office and advises well-known German family businesses and their shareholders, as well as high-net-worth individuals. He is a seasoned practitioner and advises on domestic and international tax law, family-owned companies and family offices, asset structuring, cross-border estate structuring, including trusts, asset and company succession, voluntary self disclosures, inh...
John Büttner advises on all aspects of national and international business tax law, including areas where it intersects with corporate and inheritance law. He has many years of experience in international tax law, criminal tax law, tax litigation, the taxation of restructurings, real estate taxation, and the taxation of capital investments. In addition, Mr Büttner advises private clients, families, and family businesses on ongoing tax matters, including asset structuring, (corporate...
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer
Unenforceable HOA Rules: What Homeowners Can Do About Illegal HOA Actions
by Bryan Driscoll
Not every HOA rule is legal. Learn how to recognize and fight unenforceable HOA rules that overstep the law.